EP2868182A1 - Spreader machine with a container and a pivoting cover associated to this container - Google Patents
Spreader machine with a container and a pivoting cover associated to this container Download PDFInfo
- Publication number
- EP2868182A1 EP2868182A1 EP20140003621 EP14003621A EP2868182A1 EP 2868182 A1 EP2868182 A1 EP 2868182A1 EP 20140003621 EP20140003621 EP 20140003621 EP 14003621 A EP14003621 A EP 14003621A EP 2868182 A1 EP2868182 A1 EP 2868182A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive unit
- cover
- container
- electric motor
- distributor according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011236 particulate material Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
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- 239000000428 dust Substances 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 230000007480 spreading Effects 0.000 abstract description 10
- 238000009331 sowing Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 238000009420 retrofitting Methods 0.000 description 6
- 239000003337 fertilizer Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000012254 powdered material Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C15/00—Fertiliser distributors
- A01C15/005—Undercarriages, tanks, hoppers, stirrers specially adapted for seeders or fertiliser distributors
- A01C15/006—Hoppers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C17/00—Fertilisers or seeders with centrifugal wheels
- A01C17/001—Centrifugal throwing devices with a vertical axis
Definitions
- the invention relates to a distribution machine, in particular litter and / or seeder, with at least one supported by a support frame container for receiving powdery and / or particulate Good, at least one arranged at the bottom of the container outlet opening, a downstream of the outlet opening metering and at least one the distributor downstream of the metering device for distributing the powdery and / or particulate material on the floor, wherein the container has a hinged about at least one pivot axis and foldable, electrically operated cover which covers the opening cross-section of the container in its closed position and in their unfolded position releases at least a portion of the opening cross-section of the container.
- Distribution machines are known on the one hand in the form of agricultural spreading machines for dispensing powdery or particulate material, such as fertilizer or seeds in particular, in a variety of configurations, such as in towed or from a three-point of a tractor, such as a tractor, incorporated design.
- Such distributing machines comprise a container receiving the material to be distributed, at the bottom of which one or two outlet openings are usually arranged, wherein the respective outlet opening is associated with a metering device to deliver the material to be delivered in the desired amount - or more precisely: with the desired mass flow - the container refer to.
- the dosing usually has a metering slide, which is up by means of a suitable actuator and is zuu Kunststoffbar, depending on the desired distribution width of the material to be delivered on the ground, depending on the speed and depending on the physical properties of the goods, such as its flowability, the desired To adjust mass flow.
- the metering for the same purpose, for example, include a controllable rotationally driven cam roller. Downstream of the metering are one or more distributing organs, in particular in the form of equipped with throwing blades distributor discs, by means of which the powdered or particulate material is distributed over the desired working width.
- Such agricultural distributor in the form of a fertilizer spreader is for example from the DE 10 2007 053 550 A1 known.
- the container In the case of winter service spreading machines, the container is primarily used for receiving granulated chips and / or road salt, the function of such a winter service spreading machine largely corresponding to that of an agricultural spreading machine described above.
- such distributing machines are used in the form of agricultural seed drills or seed drills. Again, this is kept in the container in stock Well dosed by means of a usually arranged below an outlet opening of the container dosing and the metered mass flow of grit is passed to a downstream of the metering, for example, acted upon by a blower with compressed air delivery line, which gives the dispersed in the compressed air stream, metered grit stream a distributor head.
- the distributor head comprises a plurality of outlets, to each of which a distribution line connects, which serves the grit stream in the number of distribution lines corresponding sub-streams per a distributor, eg in the form of coulters (if it is the grit in particular seeds) , Impingement plates (if the grit is in particular to fertilizer) or the like, to be supplied, which are arranged at different side distances from the distributor.
- a distribution line to each of which a distribution line connects, which serves the grit stream in the number of distribution lines corresponding sub-streams per a distributor, eg in the form of coulters (if it is the grit in particular seeds) , Impingement plates (if the grit is in particular to fertilizer) or the like, to be supplied, which are arranged at different side distances from the distributor.
- Such distribution machines are for example from the DE 44 34 963 A1 or DE 197 47 029 A1 known.
- the material to be distributed which is in powder or particle form, tends in the case of moisture access usually to caking or clumping, which complicates a proper dosage and distribution at least or even prevented.
- most solid fertilizers as well as road salt have a hygroscopic character, so that they agglomerate in combination with humidity or even rain or snow (mud), which penetrate into the container and increasingly with increasing moisture absorption in more or less hard agglomerates adhering to the container walls and the dosing, so that their function is impaired and the predetermined application rate can no longer be met.
- the container has a hinged about a pivot axis and foldable cover, which covers the opening cross-section of the container in its closed position and releases in its unfolded position at least a portion of the opening cross-section of the container.
- the cover usually has a hinged to the pivot axis supporting rod, on which the actual, flat cover, for example in the form of dimensionally stable or particularly resilient, flexible cover plates or tarpaulins, is attached.
- An agricultural distributor with a similar drive a cover of its reservoir is from the DE 10 2004 048 622 A1 known.
- the hinged about a pivot axis and to cover the container has a scissor-like linkage, which is actuated by means of a motor-driven actuator in the form of a double-acting hydraulic cylinder.
- the DE 199 49 712 A1 describes a generic distribution machine with a reservoir equipped with a cover, wherein the cover along a parallel to the top of the container extending pivot axis and is hinged.
- an electromotive drive element in the form of an electric cylinder is provided.
- a disadvantage is the one hand, the relatively high susceptibility to failure of such electric motor drive elements, in particular under the action of dust and grit particles and moisture or in the case of heavy loads, such as when the cover is covered with rain water or snow.
- Such tarpaulins are only partially suitable for generic distribution machines, since the litter can accumulate and agglomerate in the windings, so that it falls into the container when opening / closing the tarpaulin and the "new" grit with not pure and also contaminated and often wet , is contaminated by the pinching between the rolled layers of tarpaulin compressed and hard lumps of material, which is to be avoided for the reasons mentioned above.
- the invention is therefore the object of the foldable cover of a distributor of the type mentioned in a simple and cost-effective way to the effect that under at least largely avoiding the aforementioned disadvantages high security and robustness of the electric drive of the cover and in particular a simple retrofitting manual actuated covers is guaranteed.
- this object is achieved with a distributor of the type mentioned above in that the cover is actuated by an electromotive drive unit fixed to the container or to its support frame, which has an output shaft on which a driver sits non-rotatably, which with at least one pivotable carrier of the cover connected or formed by such a pivotable carrier.
- the electromotive drive unit according to the invention for actuating the cover can also be very compact and space-saving and is ideally suited for retrofitting previously only manually operable covers, the electrical contact, for example, in a simple manner by means of a suitable accumulator or, as further below carried out by the electrical supply system of a tractor, such as a tractor or a road vehicle, can take place.
- the electric motor drive unit in particular serves the output shaft on which rotatably the driver sits, which is connected to the at least one pivotable carrier of the cover or formed by such a pivotable carrier. Consequently, the output shaft directly drives the folding mechanism of the cover in rotation according to its pivotal movement, without the need for further power transmission means. Accordingly, it may also be of Be advantageous if the electric motor drive unit is arranged in the region of the pivot axis of the cover.
- the electromotive drive unit is conveniently housed in at least one housing to reliably avoid the risk of pinching limbs of the user during operation of the cover.
- the electromotive drive unit housed in particular in a single, common housing or the electric motor and optionally one or more, this downstream (s) transmission be housed in separate housings, which are attached to the housing of the electric motor drive unit to provide all-round closure of the components of the electric motor drive unit.
- the housing should expediently be embodied essentially dust-tight and liquid-tight, in order to protect the electromotive drive unit against the ingress of moisture and dirt, in particular during the scattering or sowing of flying or seed particles flying around.
- the output shaft of the electromotive drive unit should alternatively or preferably additionally, in particular by means of at least one mechanical seal, be sealed against the housing to prevent penetration of moisture and dirt, in particular grit particles.
- the electromotive drive unit is fixed to at least one, in particular to exactly one, mounting flange, which is attached to the container or on the support frame.
- the mounting flange carrying the electromotive drive unit has to be fastened to a suitable position on the container or to its support frame, eg bolted or welded, and the electromotive drive unit electrically contacted in the above-mentioned manner.
- the electric motor of the electric motor drive unit at least one transmission is arranged downstream, so that an electric motor with relatively low power can be used and a precise placement of the cover in the intended closed position is possible.
- the transmission or transmissions has a transmission ratio of at least about 1: 300 in total, in particular of at least about 1: 600, preferably of at least about 1: 900, for example of at least about 1: 1200.
- the one or more transmissions may be configured according to any known type, it may be advantageous in terms of a very high compactness, that at least one planetary gear is arranged downstream of the electric motor.
- the transmission ratio of such a planetary gear may for example be at least 1:20, preferably at least 1:40, in particular at least 1:60.
- the electric motor is arranged downstream of at least one worm gear, for example, a planetary gear of the aforementioned type downstream worm gear can be provided, the transmission ratio, for example, at least 1: 5, preferably at least 1:10, in particular at least 1:15.
- the worm gear can in this case, for example, have a worm gear seated on the output shaft of the electromotive drive unit, which is in engagement with a worm thread seated on the output shaft of the electric motor or of the planetary gear downstream of the latter.
- the electromotive drive unit can in principle also have its own power supply device, such as a battery, an accumulator or the like, according to a preferred embodiment it can be provided that the electromotive drive unit is powered by the electrical power supply of a tractor, such as a tractor or a road vehicle, is powered.
- the electromotive drive unit may in particular have an electrical interface, which is connectable to the electrical power supply of the tractor, such as a tractor or a road vehicle.
- the possibility of non-motorized operation of the cover to offer can be provided according to an advantageous development that the driver of the electric motor drive unit is detachably connected to the at least one pivotable carrier of the cover and / or with the electric motor drive unit, so that the cover after release of the driver of the drive unit and / or from the pivotable carrier the cover is manually openable and foldable.
- the cover can also be actuated purely manually by the driver is released from the drive unit and / or from the pivotable carrier of the cover
- the releasable connection between the driver and the drive unit or between the driver and the cover basically in can be configured in any manner known as such, such as in the form of screws, bolts, clamps, detents or the like.
- a detachable connection between at least one pivotable carrier of the cover and the driver of the drive unit or between the driver and the drive unit itself can also be favorable for drives of the cover other than the electromotive drive unit according to the invention, such as eg for conventional electric, hydraulic, pneumatic cylinders or the like.
- At least one outlet opening arranged at the bottom of the container can be arranged downstream of the outlet opening Dosing and a downstream of the metering distributor for distributing the powdered and / or particulate material on the floor, the container having a pivotable about a pivot axis and folding, not necessarily electrically, but in any way motor (including actuator) operated cover which in its closed position covers the opening cross-section of the container and in its unfolded position releases at least part of the opening cross-section of the container, be advantageous if a driver of a (random) drive unit the cover is detachably connected to at least one pivotable carrier of the cover and / or with the (arbitrary) drive unit, so that the cover release of the driver of the drive unit and / or of the pivotable carrier of the cover is manually openable and foldable.
- control device which in particular comprises at least one control board.
- the control board can be accommodated in the housing of the electromotive drive unit or in a separate operating module or operating terminal, as explained in more detail below.
- the control device makes it possible to apply a suitable speed profile to the opening and closing operation of the cover, and to ensure that the cover is always transferred to the closing position intended for it, in which it ensures the required tightness of the cover.
- it may be useful for cleaning or maintenance purposes, for example, if the cover can be stopped by the control device in a more or less arbitrary partial open position.
- the control device accelerates or slows down the electric motor of the electromotive drive unit in the initial phase and / or in the final phase of an opening or closing operation, in particular continuously, to the higher rotational speed.
- the initial phase and / or the final phase can be characterized by an initial or final pivot angle of the cover between about 5 ° and about 35 °, in particular between about 10 ° and about 30 °, preferably between about 15 ° and about 25 °, be defined, ie until reaching an aforementioned initial swivel angle and / or from reaching a folding position of the cover, which still requires a further flap by an aforementioned pivot angle to fully reach its open or closed position, the rotational speed of the electric motor is lowered or continuously accelerated / slowed down ,
- the control device according to the invention associated with the control unit also gives the possibility of overload protection, in the case of blocking the folding mechanism 'damage the same to avoid and in particular to ensure a completely safe protection against pinching of limbs in the folding mechanism.
- Such an overload protection can be formed, for example, in that the control device limits the current intensity available for driving the electromotive drive unit to a maximum value at least during the raising and lowering of the cover, which current value is limited to one, in particular presettable, Opening or closing force corresponds.
- the maximum opening or closing force at which the overload protection triggers and stops the electric motor of the electric motor drive unit for example, a maximum of about 200 N, in particular at most about 150 N, preferably at most about 100 N, have proven for the aforementioned purposes.
- the control device can be operatively connected to a position detection device of the electric motor drive unit to detect the actual position of the cover connected to the output shaft of the electric motor drive unit or its folding mechanism 'and readjust the desired position if necessary.
- a position detection device are virtually any known sensors into consideration, which are able to detect in particular the angular position of waves.
- the position detecting means may e.g. comprise at least one angle sensor which is capable of detecting the angular position of at least one shaft of the motor drive unit.
- at least one rotational speed sensor may be provided which is capable of detecting the number of revolutions of at least one shaft of the motor drive unit.
- Fig. 1 is the upper part 1 of an otherwise not entirely shown container 2 for receiving powdered or particulate litter or seed of a distributor, also not shown, which may be in particular a conventional agricultural litter or seeder or a winter service spreading machine.
- a hinged cover 3 is mounted, which in the present embodiment around an approximately horizontal axis A, which is parallel to the opposite longitudinal sides of the container 2 and arranged substantially centrally to the same, in the direction of the arrow P on and is foldable.
- the cover 3 completely closes the container 2, while it releases in its open position about half the opening cross-section of the container shell 1 to fill the container 2 with spreading material to clean it, etc.
- the cover 3 comprises a support rod 3a, 3b, 3c, 3d, 5, which, for example, on the one hand has a pivotable about the axis A, approximately U-shaped bracket support 3a, which is located in the in Fig. 1 reproduced closed position, each with a U-leg of the axis A away parallel to the opposite transverse sides of the container upper part 1 and parallel to the in Fig. 1 extends right longitudinal side of the container upper part 1 and on the upper side of the same comes to rest.
- the bracket support 3a substantially complementary sealing profile (in Fig. 1 not visible).
- U-shaped bracket support 3b is substantially axially symmetrical to the pivoting bracket support 3a or under a comparatively small transverse offset stationary mounted on the container shell 1 and extends with its U-webs also parallel to the opposite transverse sides of the container shell 1 and parallel to the in Fig. 1 left longitudinal side of the container top 1.
- the pivotable bracket support 3a of the cover 3 comes to the stationary bracket support 3b to the plant.
- the respective two supports 3c, 3d essentially form a triangle with the bracket supports 3a, 3b, while in the open position (not shown), when the bracket support 3a, which is pivotable about the pivot axis A, moves in the direction of the Arrow P has been pivoted about the axis A and comes to rest on the stationary bracket support 3b, are arranged substantially parallel to the U-legs of the bracket support 3a, 3b.
- the axis A 1 and / or A 2 far end of at least one of the support 3 c, 3d is a parallel to the U-webs of the bracket support 3 a, 3 b extending rod 5 is mounted, which in the closed position the cover 3 ( Fig.
- the bail supports 3a, 3b are covered, for example, with a tarpaulin (not shown) which extends between the U-webs of the bail supports 3a, 3b and expediently also their U-legs and over the rod 5, so that they are in the closed position the cover has an approximately roof-shaped extension, in particular to drain rainwater.
- the cover 3 corresponds to that extent by means of a suitable handle of the pivotable bracket 3a manually operable cover, as described above and has the disadvantages mentioned therein.
- the cover 3 is actuated by means of an electric motor drive unit 6, which is fixed by means of a mounting flange 7 at the upper edge of the container top part 1 in the region of the pivot axis A of the cover 3, that their output shaft 8 (see Fig. 4 to 8 ) is arranged coaxially to the pivot axis A of the hinged cover 3.
- an electric motor drive unit 6 which is fixed by means of a mounting flange 7 at the upper edge of the container top part 1 in the region of the pivot axis A of the cover 3, that their output shaft 8 (see Fig. 4 to 8 ) is arranged coaxially to the pivot axis A of the hinged cover 3.
- a driver 9 see, in particular Fig. 2 .
- the electromotive drive unit 6 comprises an electric motor 12 with a housing 13 which is fixed to the housing 15 of a transmission 14 -in this case in the form of a planetary gear mechanism-that the output shaft 12a of the electric motor 12 projects into the transmission housing 15 and thus forming the drive shaft of the transmission 14.
- the housing 15 of the gear 14 formed in the form of a planetary gear is fixed to a mounting plate 16, such as screwed, wherein the mounting plate 16 is in turn secured to the housing 11 such that the output shaft 14a (see. Fig. 4 and 6 ) of the transmission extends into the housing 11 and the unit formed by the electric motor 12 and the gear 14 is fixed by means of the mounting plate 16 on the housing 11.
- a rotatably connected to the output shaft 14a of the (planetary) gear 14 shaft 17 is mounted inside the housing 11, such as by means of two arranged in the interior of the housing 11 ball bearings 18a, 18b.
- the shaft 17 is provided with a worm thread 19, which is to form a further gear 20 in the form of a worm gear with a worm wheel 21 is engaged, which rotatably on the output shaft 8 of the electric motor drive unit 6 sits, which also mounted in the housing 11 and disposed perpendicular to the shaft 17.
- the output shaft 8 of the electric motor drive unit 6 is sealed by a mechanical seal 22 against the housing 11.
- While the electric motor 12 immediately downstream planetary gear 14 may for example have a gear ratio of about 1:70, the planetary gear 14 downstream worm gear 20, for example, have a gear ratio of about 1:20, so that the gear assembly 14, 20 total of a gear ratio of about 1: 1400 owns.
- the power supply of the electromotive drive unit 6 can be effected in particular by means of an electrical interface (not shown), such as a connection, which can be connected to the electrical power supply of a tractor (also not shown), such as a tractor or a road vehicle.
- the electric drive unit 6 further comprises a control device with a control board (also not shown in the drawing), which can be accommodated either in the housing 11 or in a separate operator terminal with an input device to open the cover 3 automatically and in particular remote controlled on an input command and close.
- the control device is also in particular the above-mentioned possibilities of driving the electric motor 12 of the electric motor drive unit 6 with different rotational speeds during the opening and / or closing operation and the implementation of an overload protection, which the electric motor drive unit 6, for example, in an occurring opening and / or Closing force, which goes beyond about 100 N, shut down and thus prevents pinching of limbs or damage to the cover 3 in the case of a mechanical lock.
- the control device can communicate with one or more sensors (not shown) of a position detection device in order to detect the actual position of the cover 3 and its desired positions, such as in particular the intended closed position (FIG. Fig. 1 ) and readjust the entire opening position if necessary.
- the driver 8 of the electric motor drive unit 6 is detachably connected to the pivotable carrier 3a of the cover 3, where it could alternatively or additionally also be releasably connected to the electric motor drive unit 6 (not shown). Consequently, after releasing the driver 8, the cover 3 can be manually opened and closed by the pivotable carrier 3a of the cover 3.
- the screw 10 has in the present case at least one extending through its head and approximately perpendicular to its shaft extending bore 10a, which allows it in a simple manner by means of a tool, for example in the manner of a lever, such as an approximately L-shaped angled lever (Not shown) to be loosened and tightened by one end of the tool is inserted into the bore 10 a and rotated in the circumferential direction of the screw 10.
- the tool can preferably also serve for manual actuation of the cover in order to be able to crank it into the open or closed position without the cover 3 must take manually directly and thereby take the risk of trapping.
- the detachable connection between the driver 9 and the pivotable support 3a may of course be formed differently, such as by means of a releasable clamping or latching connection (not shown), in principle both form - As well as non-positive, releasable connection types come into consideration.
- such a detachable connection between a pivotable carrier 3a of the cover 3 and the driver 9 and / or between the latter and the drive unit 6 can also be favorable for drives of the cover 3 other than the electromotive drive unit 6 according to the invention, such as For example, for conventional electric, hydraulic, pneumatic cylinders or the like, in which case, for example, the respective cylinder of a pivotable carrier of the cover can be solved in a corresponding manner to ensure a manual (Not) activity of the cover 3.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
Es wird eine Verteilmaschine, insbesondere in Form einer Streu- oder Sämaschine, mit einem von einem Tragrahmen getragenen Behälter (2) zur Aufnahme von pulver- oder partikelförmigem Gut, einer am Boden des Behälters (2) angeordneten Auslauföffnung, einem der Auslauföffnung nachgeordneten Dosierorgan sowie einem dem Dosierorgan nachgeordneten Verteilorgan zum Verteilen des pulver- oder partikelförmigen Gutes auf dem Boden vorgeschlagen. Der Behälter (2) weist eine um eine Schwenkachse (A) auf- und zu klappbare, elektrisch betätigte Abdeckung (3) auf, welche in ihrer zugeklappten Stellung den Öffnungsquerschnitt des Behälters (2) abdeckt und in ihrer aufgeklappten Stellung zumindest einen Teil des Öffnungsquerschnittes des Behälters (2) freigibt. Die Erfindung sieht vor, dass die Abdeckung (3) von einer an dem Behälter (2) oder an dessen Tragrahmen festgelegten elektromotorischen Antriebseinheit (6) betätigt ist, welche eine Abtriebswelle (8) aufweist, auf welcher drehfest ein Mitnehmer (9) sitzt, welcher mit einem schwenkbaren Träger (3a) der Abdeckung (3) verbunden oder von einem solchen schwenkbaren Träger gebildet ist.It is a distribution machine, in particular in the form of a spreading or sowing machine, with a supported by a support frame container (2) for receiving powdered or particulate Gut, one at the bottom of the container (2) arranged discharge opening, a downstream of the outlet opening and dosing proposed to the metering downstream distribution member for distributing the powdery or particulate material on the floor. The container (2) has a hinged about an axis (A) and foldable, electrically operated cover (3) which covers the opening cross-section of the container (2) in its closed position and in its unfolded position at least a portion of the opening cross-section of the container (2) releases. The invention provides that the cover (3) is actuated by an electromotive drive unit (6) fixed to the container (2) or to its support frame, which has an output shaft (8) on which a catch (9) is seated in a rotationally fixed manner, which is connected to a pivotable carrier (3a) of the cover (3) or formed by such a pivotable carrier.
Description
Die Erfindung betrifft eine Verteilmaschine, insbesondere Streu- und/oder Sämaschine, mit wenigstens einem von einem Tragrahmen getragenen Behälter zur Aufnahme von pulver- und/oder partikelförmigem Gut, wenigstens einer am Boden des Behälters angeordneten Auslauföffnung, einem der Auslauföffnung nachgeordneten Dosierorgan sowie wenigstens einem dem Dosierorgan nachgeordneten Verteilorgan zum Verteilen des pulver- und/oder partikelförmigen Gutes auf dem Boden, wobei der Behälter eine um wenigstens eine Schwenkachse auf- und zu klappbare, elektrisch betätigte Abdeckung aufweist, welche in ihrer zugeklappten Stellung den Öffnungsquerschnitt des Behälters abdeckt und in ihrer aufgeklappten Stellung zumindest einen Teil des Öffnungsquerschnittes des Behälters freigibt.The invention relates to a distribution machine, in particular litter and / or seeder, with at least one supported by a support frame container for receiving powdery and / or particulate Good, at least one arranged at the bottom of the container outlet opening, a downstream of the outlet opening metering and at least one the distributor downstream of the metering device for distributing the powdery and / or particulate material on the floor, wherein the container has a hinged about at least one pivot axis and foldable, electrically operated cover which covers the opening cross-section of the container in its closed position and in their unfolded position releases at least a portion of the opening cross-section of the container.
Verteilmaschinen sind einerseits in Form von landwirtschaftlichen Streumaschinen zum Ausbringen von pulver- oder partikelförmigen Gut, wie insbesondere Dünger oder Saatgut, in vielfältiger Ausgestaltung bekannt, so beispielsweise in gezogener oder von einem Dreipunkt einer Zugmaschine, wie eines Traktors, aufgenommener Bauart. Derartige Verteilmaschinen umfassen einen das zu verteilende Gut aufnehmenden Behälter, an dessen Boden üblicherweise eine oder zwei Auslauföffnungen angeordnet sind, wobei der jeweiligen Auslauföffnung ein Dosierorgan zugeordnet ist, um das auszubringende Gut in der gewünschten Menge - oder genauer: mit dem gewünschten Massenstrom - dem Behälter zu entnehmen. Das Dosierorgan weist üblicherweise einen Dosierschieber auf, welcher mittels eines geeigneten Stellorgans auf- und zusteuerbar ist, um je nach gewünschter Verteilungsbreite des auszubringenden Gutes auf dem Boden, je nach Fahrgeschwindigkeit und je nach den physikalischen Eigenschaften des Gutes, wie beispielsweise dessen Rieselfähigkeit, den gewünschten Massenstrom einstellen zu können. Alternativ kann das Dosierorgan zu demselben Zweck z.B. auch eine steuerbar drehangetriebenes Nockenwalze umfassen. Stromab des Dosierorgans befinden sich ein oder mehrere Verteilorgane, insbesondere in Form von mit Wurfschaufeln bestückten Verteilerscheiben, mittels welchen das pulver- oder partikelförmige Gut über die gewünschte Arbeitsbreite verteilt wird. Eine derartige landwirtschaftliche Verteilmaschine in Form eines Düngerstreuers ist beispielsweise aus der
Im Falle von Winterdienststreumaschinen dient der Behälter vornehmlich zur Aufnahme von in der Regel granulatförmigem Splitt und/oder Streusalz, wobei die Funktion einer solchen Winterdienststreumaschine weitestgehend der einer oben beschriebenen landwirtschaftlichen Streumaschine entspricht.In the case of winter service spreading machines, the container is primarily used for receiving granulated chips and / or road salt, the function of such a winter service spreading machine largely corresponding to that of an agricultural spreading machine described above.
Darüber hinaus kommen derartige Verteilmaschinen in Form von landwirtschaftlichen Sä- oder Drillmaschinen zum Einsatz. Auch hier wird das in dem Behälter auf Vorrat gehaltene Gut mittels eines üblicherweise unterhalb einer Auslauföffnung des Behälters angeordneten Dosierorgan dosiert und wird der dosierte Massenstrom an Streugut an eine dem Dosierorgan nachgeordnete, z.B. mittels eines Gebläses mit Druckluft beaufschlagte Förderleitung übergeben, welche den in den Druckluftstrom eindispergierten, dosierten Streugutstrom einem Verteilerkopf aufgibt. Der Verteilerkopf umfasst eine Mehrzahl an Abgängen, an welche sich je eine Verteilerleitung anschließt, welche dazu dient, den Streugutstrom in der Anzahl an Verteilerleitungen entsprechenden Teilströmen je einem Verteilorgan, z.B. in Form von Säscharen (sofern es sich bei dem Streugut insbesondere um Saatgut handelt), Prallplatten (sofern es sich bei dem Streugut insbesondere um Dünger handelt) oder dergleichen, zuzuführen, welche mit unterschiedlichem Seitenabstand von der Verteilmaschine angeordnet sind. Derartige Verteilmaschinen sind beispielsweise aus den
Das zu verteilende Gut, welches in Pulver- oder Partikelform vorliegt, neigt im Falle eines Feuchtigkeitszutrittes in aller Regel zum Zusammenbacken oder Verklumpen, was eine einwandfreie Dosierung und Verteilung zumindest erschwert oder gar verhindert. In diesem Zusammenhang sei erwähnt, dass die meisten festen Düngemittel wie auch Streusalz einen hygroskopischen Charakter besitzen, so dass sie in Verbindung mit Luftfeuchtigkeit oder gar Regen bzw. Schnee(matsch), welche in den Behälter eindringen, agglomerieren und mit fortschreitender Feuchtigkeitsaufnahme zunehmend in mehr oder minder harten Agglomeraten den Behälterwandungen und den Dosierorganen anhaften, so dass deren Funktion beeinträchtigt wird und die vorgegebene Ausbringmenge nicht mehr eingehalten werden kann. Im Falle von Saatgut kommt hinzu, dass es bei Feuchtigkeitszutritt geschädigt und/oder es zu einer vorzeitigen Keimung eines Teils des Saatgutes kommen kann, welches besonders viel Feuchtigkeit aufgenommen hat. Schließlich sollte es auch unbedingt verhindert werden, dass mehr oder minder gesundheitlich bedenkliche und/oder für das Pflanzenwachstum schädliche Stoffe, wie Schmiermittel, Spritzwasser von der Straße etc., in das in dem Behälter auf Vorrat gehaltene Streu- oder Saatgut eingetragen werden.The material to be distributed, which is in powder or particle form, tends in the case of moisture access usually to caking or clumping, which complicates a proper dosage and distribution at least or even prevented. In this context, it should be mentioned that most solid fertilizers as well as road salt have a hygroscopic character, so that they agglomerate in combination with humidity or even rain or snow (mud), which penetrate into the container and increasingly with increasing moisture absorption in more or less hard agglomerates adhering to the container walls and the dosing, so that their function is impaired and the predetermined application rate can no longer be met. In case of Seeds are added to the fact that it can be damaged if moisture enters and / or it can lead to premature germination of a part of the seed, which has absorbed a lot of moisture. Finally, it should also be absolutely prevented that more or less harmful to health and / or plant growth harmful substances, such as lubricants, water spray from the road, etc., are registered in the stored in the container litter or seed.
Aus den vorgenannten Aspekten ergibt sich die Notwendigkeit, den Behälter zumindest während der Streu- oder Säarbeit sowie während der Zufahrt zur Streu- oder Säarbeit jedenfalls dann abzudecken, wenn Niederschläge drohen oder wenn der Boden aufgrund von Niederschlagsresten noch feucht ist, so dass kein Regen- oder Spritzwasser in den Behälter gelangen kann. Hierzu bedient man sich entweder geeigneter Planen, welche manuell über den Öffnungsquerschnitt des Behälters gespannt werden, was jedoch in handhabungstechnischer Hinsicht mühsam und aufwändig ist und zudem die Gefahr birgt, dass die Plane aufgrund von (Fahrt)wind teilweise gelöst wird mit der Folge, dass Feuchtigkeit zumindest partiell in den Behälter eindringen kann.From the above-mentioned aspects, there is the necessity to cover the container at least during spreading or sowing work as well as during the approach to spreading or sowing, when precipitation is imminent or when the soil is still moist due to precipitation residues, so that no rainfall occurs. or splash water can enter the container. For this one uses either suitable tarpaulins, which are manually stretched over the opening cross-section of the container, which, however, is tedious and time-consuming in terms of handling technology and also involves the risk that the tarpaulin will be partially loosened due to (wind) wind, with the result that Moisture can at least partially penetrate into the container.
Darüber hinaus sind Verteilmaschinen bekannt, deren Behälter eine um eine Schwenkachse auf- und zu klappbare Abdeckung aufweist, welche in ihrer zugeklappten Stellung den Öffnungsquerschnitt des Behälters abdeckt und in ihrer aufgeklappten Stellung zumindest einen Teil des Öffnungsquerschnittes des Behälters freigibt. Die Abdeckung weist üblicherweise ein um die Schwenkachse klappbares Traggestänge auf, an welchem die eigentliche, flächige Abdeckung, z.B. in Form von formstabilen oder insbesondere nachgiebigen, flexiblen Abdeckplatten bzw. -planen, befestigt ist. Bei gegenwärtig auf dem Markt befindlichen Verteilmaschinen, welche mit einer solchen Abdeckung ausgestattet sind, erfolgt die Betätigung zum Auf- und Zuklappen derselben in der Regel manuell mittels einer Handhabe, was jedoch recht mühsam und kraftaufwändig ist und zudem die Gefahr eines Einklemmens von Gliedmaßen des Benutzers bergen kann, welcher zudem dafür Sorge zu tragen hat, dass die Abdeckung im geschlossenen Zustand hinreichend arretiert worden ist, damit ein Eindringen von Feuchtigkeit ausgeschlossen werden kann, nachdem der Behälter mit dem jeweiligen Streugut befüllt worden ist. Dabei ist es dem Benutzer insbesondere dann, wenn sich auf der Abdeckung infolge Niederschlag bereits Pfützen gebildet haben, oder gar unter Schneelast um so schwerer möglich, die Abdeckung manuell zu betätigen. Dies gilt im Besonderen, wenn auch nicht ausschließlich, im Falle von relativ großen Behältern, welche beispielsweise im Falle von gezogenen, achsgestützten Streuern ein Fassungsvermögen von mehr als 8000 l besitzen können.In addition, distribution machines are known, the container has a hinged about a pivot axis and foldable cover, which covers the opening cross-section of the container in its closed position and releases in its unfolded position at least a portion of the opening cross-section of the container. The cover usually has a hinged to the pivot axis supporting rod, on which the actual, flat cover, for example in the form of dimensionally stable or particularly resilient, flexible cover plates or tarpaulins, is attached. In currently available on the market distribution machines, which are equipped with such a cover, the operation to open and close the same usually done manually by means of a handle, which is quite tedious and power-consuming and also the risk of pinching limbs of the user In addition, which has to ensure that the cover has been sufficiently locked in the closed state, so that ingress of moisture can be excluded after the container has been filled with the respective grit. It is the user in particular when puddles have already formed on the cover due to precipitation, or even under snow load the harder possible to manually operate the cover. This applies in particular, though not exclusively, in the case of relatively large containers, which may have a capacity of more than 8000 l, for example in the case of towed, axle-supported spreaders.
Von dem Hersteller AMAZONEN-WERKE H. DREYER GmbH & Co. KG sind unter den Handelsnamen "ZA-M" bzw. "ZA-TS" ferner Verteilmaschinen in Form von Düngerstreuern bekannt, deren klappbare Abdeckung mittels hydraulischer Hubzylinder motorisch betätigbar sind, wobei der Hubzylinder ein an dem Behälter gelagertes Zahnrad antreibt, welches an der Schwenkachse der Abdeckung gelagert und mit einem schwenkbaren Träger derselben wirkverbunden ist. Nachteilig ist einerseits die nur schwerliche Nachrüstung manuell betätigbarer Abdeckungen mit einem solchen System, welches überdies zur hydraulischen Kontaktierung des Hubzylinders Hydraulikleitungen erfordert, welche entweder mit dem Hydrauliksystem einer Zugmaschine, wie eines Traktors, verbunden oder über einen separaten Ventilblock angesteuert werden müssen. Überdies sind derartige Hydraulikzylinder verhältnismäßig teuer und wartungsintensiv und bergen zudem die Gefahr einer Kontamination des in dem Behälter aufgenommenen Streugutes durch austretendes Hydrauliköl, was es jedenfalls zu verhindern gilt.From the manufacturer AMAZONEN-WERKE H. DREYER GmbH & Co. KG are under the trade names "ZA-M" and "ZA-TS" also known distribution machines in the form of fertilizer spreaders, the hinged cover by means of hydraulic lifting cylinders are motorized, the Lifting cylinder drives a gear mounted on the container gear, which is mounted on the pivot axis of the cover and the same operatively connected to a pivotable carrier. A disadvantage is the one hand, the difficulty of retrofitting manually operable covers with such a system, which also requires for hydraulic contacting of the lifting hydraulic lines, which either connected to the hydraulic system of a tractor, such as a tractor, or a separate valve block must be controlled. Moreover, such hydraulic cylinders are relatively expensive and maintenance-intensive and also entail the risk of contamination of the grit received in the container due to escaping hydraulic oil, which it must be prevented in any case.
Eine landwirtschaftliche Verteilmaschine mit einem ähnlichen Antrieb einer Abdeckung ihres Vorratsbehälters ist aus der
Die
Der Erfindung liegt daher die Aufgabe zugrunde, die klappbare Abdeckung einer Verteilmaschine der eingangs genannten Art auf einfache und kostengünstige Weise dahingehend weiterzubilden, dass unter zumindest weitestgehender Vermeidung der vorgenannten Nachteile eine hohe Sicherheit und Robustheit des elektrischen Antriebs der Abdeckung sowie insbesondere auch eine einfache Nachrüstung manuell betätigter Abdeckungen gewährleistet ist.The invention is therefore the object of the foldable cover of a distributor of the type mentioned in a simple and cost-effective way to the effect that under at least largely avoiding the aforementioned disadvantages high security and robustness of the electric drive of the cover and in particular a simple retrofitting manual actuated covers is guaranteed.
Erfindungsgemäß wird diese Aufgabe bei einer Verteilmaschine der eingangs genannten Art dadurch gelöst, dass die Abdeckung von einer an dem Behälter oder an dessen Tragrahmen festgelegten elektromotorischen Antriebseinheit betätigt ist, welche eine Abtriebswelle aufweist, auf welcher drehfest ein Mitnehmer sitzt, welcher mit wenigstens einem schwenkbaren Träger der Abdeckung verbunden oder von einem solchen schwenkbaren Träger gebildet ist.According to the invention, this object is achieved with a distributor of the type mentioned above in that the cover is actuated by an electromotive drive unit fixed to the container or to its support frame, which has an output shaft on which a driver sits non-rotatably, which with at least one pivotable carrier of the cover connected or formed by such a pivotable carrier.
Die erfindungsgemäße Ausgestaltung gestaltet sich zunächst nicht nur als sehr einfach und kostengünstig, sondern insbesondere auch unter widrigen Umgebungsbedingungen, wie sie während der Feld- oder Streuarbeit üblicherweise herrschen, als sehr robust, zuverlässig und wartungsarm, indem sie lediglich die Drehbewegung einer Abtriebswelle der elektromotorischen Antriebseinheit zur Betätigung der klappbaren Abdeckung erfordert und ohne zusätzliche translatorische Bewegungen auskommt, wobei sie insbesondere den Einsatz von Hydraulik- oder auch Elektrozylindern entbehrlich macht, zu deren Problematik auf die obigen Ausführungen verwiesen sei. Die erfindungsgemäße elektromotorische Antriebseinheit zur Betätigung der Abdeckung lässt sich überdies sehr kompakt und platzsparend ausbilden und eignet sich in idealer Weise zur Nachrüstung von bislang nur manuell betätigbaren Abdeckungen, wobei die elektrische Kontaktierung z.B. auf einfache Weise mittels eines geeigneten Akkumulators oder, wie weiter unten noch näher ausgeführt, durch das elektrische Versorgungssystem einer Zugmaschine, wie eines Traktors oder eines Straßenfahrzeugs, erfolgen kann. Zum Erreichen einer größtmöglichen Einfachheit und Kompaktheit bei einer zuverlässigen Robustheit der elektromotorischen Antriebseinheit dient dabei insbesondere deren Abtriebswelle, auf welcher drehfest der Mitnehmer sitzt, welcher mit dem wenigstens einen schwenkbaren Träger der Abdeckung verbunden oder von einem solchen schwenkbaren Träger gebildet ist. Folglich treibt die Abtriebswelle den Klappmechanismus der Abdeckung unmittelbar rotatorisch entsprechend deren Schwenkbewegung an, ohne dass weitere Kraftübertragungsmittel erforderlich sind. Dementsprechend kann es auch von Vorteil sein, wenn die elektromotorische Antriebseinheit im Bereich der Schwenkachse der Abdeckung angeordnet ist.The inventive design designed initially not only as very simple and inexpensive, but especially under adverse environmental conditions, as they usually prevail during field or spreader work, as very robust, reliable and low maintenance, by only the rotational movement of an output shaft of the electric motor drive unit requires the operation of the hinged cover and does not require additional translational movements, making it unnecessary in particular the use of hydraulic or electric cylinders, to whose problem reference is made to the above statements. The electromotive drive unit according to the invention for actuating the cover can also be very compact and space-saving and is ideally suited for retrofitting previously only manually operable covers, the electrical contact, for example, in a simple manner by means of a suitable accumulator or, as further below carried out by the electrical supply system of a tractor, such as a tractor or a road vehicle, can take place. In order to achieve the greatest possible simplicity and compactness with a reliable robustness of the electric motor drive unit in particular serves the output shaft on which rotatably the driver sits, which is connected to the at least one pivotable carrier of the cover or formed by such a pivotable carrier. Consequently, the output shaft directly drives the folding mechanism of the cover in rotation according to its pivotal movement, without the need for further power transmission means. Accordingly, it may also be of Be advantageous if the electric motor drive unit is arranged in the region of the pivot axis of the cover.
Die elektromotorische Antriebseinheit ist zweckmäßigerweise in wenigstens einem Gehäuse untergebracht, um die Gefahr eines Einklemmens von Gliedmaßen des Benutzers während der Betätigung der Abdeckung zuverlässig zu vermeiden. Dabei kann die elektromotorische Antriebseinheit insbesondere in einem einzigen, gemeinsamen Gehäuse untergebracht oder können der Elektromotor sowie gegebenenfalls ein oder mehrere, diesem nachgeschaltete(s) Getriebe (siehe hierzu weiter unten) in separaten Gehäusen untergebracht sein, welche an dem Gehäuse der elektromotorischen Antriebseinheit befestigt sind, um für einen allseitigen Verschluss der Komponenten der elektromotorischen Antriebseinheit zu sorgen. Das Gehäuse sollte dabei zweckmäßigerweise im Wesentlichen staub- und flüssigkeitsdicht ausgestaltet sein, um die elektromotorische Antriebseinheit vor einem Eindringen von Feuchtigkeit und Schmutz, wie insbesondere während der Streu- bzw. Säarbeit umherfliegender Streu- bzw. Saatgutpartikel, zu bewahren. Zu demselben Zweck sollte die Abtriebswelle der elektromotorischen Antriebseinheit alternativ oder vorzugsweise zusätzlich, insbesondere mittels wenigstens einer Gleitringdichtung, gegen das Gehäuse abgedichtet sein, um ein Eindringen von Feuchtigkeit und Schmutz, wie insbesondere Streugutfeinpartikeln, zu verhindern.The electromotive drive unit is conveniently housed in at least one housing to reliably avoid the risk of pinching limbs of the user during operation of the cover. In this case, the electromotive drive unit housed in particular in a single, common housing or the electric motor and optionally one or more, this downstream (s) transmission (see below) be housed in separate housings, which are attached to the housing of the electric motor drive unit to provide all-round closure of the components of the electric motor drive unit. The housing should expediently be embodied essentially dust-tight and liquid-tight, in order to protect the electromotive drive unit against the ingress of moisture and dirt, in particular during the scattering or sowing of flying or seed particles flying around. For the same purpose, the output shaft of the electromotive drive unit should alternatively or preferably additionally, in particular by means of at least one mechanical seal, be sealed against the housing to prevent penetration of moisture and dirt, in particular grit particles.
In vorteilhafter Ausgestaltung kann insbesondere im Hinblick auf eine einfache Nachrüstung herkömmlicher, manuell betätigbarer Abdeckungen vorgesehen sein, dass die elektromotorische Antriebseinheit an wenigstens einem, insbesondere an genau einem, Befestigungsflansch festgelegt ist, welcher an dem Behälter oder an dessen Tragrahmen befestigt ist. Zur Nachrüstung muss folglich lediglich der die elektromotorische Antriebseinheit tragende Befestigungsflansch an einer geeigneten Position an dem Behälter oder an dessen Tragrahmen befestigt, z.B. angeschraubt oder -angeschweißt, und die elektromotorische Antriebseinheit auf die oben erwähnte Weise elektrisch kontaktiert werden.In an advantageous embodiment can be provided, in particular with regard to a simple retrofitting conventional, manually operable covers that the electromotive drive unit is fixed to at least one, in particular to exactly one, mounting flange, which is attached to the container or on the support frame. For retrofitting, therefore, only the mounting flange carrying the electromotive drive unit has to be fastened to a suitable position on the container or to its support frame, eg bolted or welded, and the electromotive drive unit electrically contacted in the above-mentioned manner.
In bevorzugter Ausgestaltung kann ferner vorgesehen sein, dass dem Elektromotor der elektromotorischen Antriebseinheit wenigstens ein Getriebe nachgeordnet ist, so dass ein Elektromotor mit verhältnismäßig geringer Leistung zum Einsatz gelangen kann und ein präzises Ablegen der Abdeckung in der vorgesehenen Schließposition möglich ist. Dabei hat es sich insbesondere bewährt, wenn das oder die Getriebe ein Übersetzungsverhältnis von insgesamt wenigstens etwa 1:300, insbesondere von wenigstens etwa 1:600, vorzugsweise von wenigstens etwa 1:900, beispielsweise von wenigstens etwa 1:1200, aufweist.In a preferred embodiment may also be provided that the electric motor of the electric motor drive unit at least one transmission is arranged downstream, so that an electric motor with relatively low power can be used and a precise placement of the cover in the intended closed position is possible. In this case, it has proven particularly useful if the transmission or transmissions has a transmission ratio of at least about 1: 300 in total, in particular of at least about 1: 600, preferably of at least about 1: 900, for example of at least about 1: 1200.
Während das oder die Getriebe grundsätzlich nach beliebiger bekannter Bauart ausgestaltet sein können, kann es hinsichtlich einer sehr hohen Kompaktheit von Vorteil sein, dass dem Elektromotor wenigstens ein Planetengetriebe nachgeordnet ist. Das Übersetzungsverhältnis eines solchen Planetengetriebes kann beispielsweise wenigstens 1:20, vorzugsweise wenigstens 1:40, insbesondere wenigstens 1:60, betragen. Alternativ oder zusätzlich kann es aus den genannten Gründen von Vorteil sein, wenn dem Elektromotor wenigstens ein Schneckenradgetriebe nachgeordnet ist, wobei beispielsweise ein einem Planetengetriebe der vorgenannten Art nachgeordneten Schneckenradgetriebe vorgesehen sein kann, dessen Übersetzungsverhältnis beispielsweise wenigstens 1:5, vorzugsweise wenigstens 1:10, insbesondere wenigstens 1:15, beträgt. Das Schneckenradgetriebe kann hierbei z.B. ein auf der Abtriebswelle der elektromotorischen Antriebseinheit sitzendes Schneckenrad aufweisen, welches mit einer auf der Abtriebswelle des Elektromotors oder des diesem nachgeschalteten Planetengetriebes sitzenden Schneckengewindes im Eingriff steht.While the one or more transmissions may be configured according to any known type, it may be advantageous in terms of a very high compactness, that at least one planetary gear is arranged downstream of the electric motor. The transmission ratio of such a planetary gear may for example be at least 1:20, preferably at least 1:40, in particular at least 1:60. Alternatively or additionally, it may be for the reasons mentioned advantageous if the electric motor is arranged downstream of at least one worm gear, for example, a planetary gear of the aforementioned type downstream worm gear can be provided, the transmission ratio, for example, at least 1: 5, preferably at least 1:10, in particular at least 1:15. The worm gear can in this case, for example, have a worm gear seated on the output shaft of the electromotive drive unit, which is in engagement with a worm thread seated on the output shaft of the electric motor or of the planetary gear downstream of the latter.
Während die elektromotorische Antriebseinheit grundsätzlich auch eine eigene Stromversorgungseinrichtung, wie eine Batterie, einen Akkumulator oder dergleichen, aufweisen kann, kann - wie bereits angedeutet - gemäß einer bevorzugten Ausführung vorgesehen sein, dass die elektromotorische Antriebseinheit von der elektrischen Stromversorgung einer Zugmaschine, wie eines Traktors oder eines Straßenfahrzeugs, mit Strom versorgt ist. In diesem Fall kann die elektromotorische Antriebseinheit insbesondere eine elektrische Schnittstelle aufweisen, welche an die elektrische Stromversorgung der Zugmaschine, wie eines Traktors oder eines Straßenfahrzeugs, anschließbar ist.While the electromotive drive unit can in principle also have its own power supply device, such as a battery, an accumulator or the like, according to a preferred embodiment it can be provided that the electromotive drive unit is powered by the electrical power supply of a tractor, such as a tractor or a road vehicle, is powered. In this case, the electromotive drive unit may in particular have an electrical interface, which is connectable to the electrical power supply of the tractor, such as a tractor or a road vehicle.
Um im Falle einer Störung des Antriebs der Abdeckung oder auch für den Fall, dass eine Energiequelle des Antriebs erschöpft oder nicht verfügbar ist (die Verteilmaschine wurde z.B. von dem die Energiequelle tragenden Traktor entkoppelt und abgestellt), gleichwohl die Möglichkeit einer nicht motorischen Betätigung der Abdeckung zu bieten, kann gemäß einer vorteilhaften Weiterbildung vorgesehen sein, dass der Mitnehmer der elektromotorischen Antriebseinheit lösbar mit dem wenigstens einen schwenkbaren Träger der Abdeckung und/oder mit der elektromotorischen Antriebseinheit verbunden ist, so dass die Abdeckung nach Lösen des Mitnehmers von der Antriebseinheit und/oder von dem schwenkbaren Träger der Abdeckung manuell auf- und zu klappbar ist. Auf diese Weise lässt sich die Abdeckung auch rein manuell betätigen, indem der Mitnehmer von der Antriebseinheit und/oder von dem schwenkbaren Träger der Abdeckung gelöst wird, wobei die lösbare Verbindung zwischen dem Mitnehmer und der Antriebseinheit bzw. zwischen dem Mitnehmer und der Abdeckung grundsätzlich in einer beliebigen, als solchen bekannten Weise ausgestaltet sein kann, wie beispielsweise in Form von Schrauben, Bolzen, Klemmen, Rasten oder dergleichen. Der Vollständigkeit halber sei explizit darauf hinweisen, dass eine derartige lösbare Verbindung zwischen wenigstens einem schwenkbaren Träger der Abdeckung und dem Mitnehmer der Antriebseinheit bzw. zwischen dem Mitnehmer und der Antriebseinheit selbst auch für andersartige Antriebe der Abdeckung als die erfindungsgemäße elektromotorische Antriebseinheit günstig sein kann, wie z.B. für herkömmliche Elektro-, Hydraulik-, Pneumatikzylinder oder dergleichen. Folglich kann es bei einer Verteilmaschine, insbesondere in Form einer Streu- und/oder Sämaschine, mit wenigstens einem von einem Tragrahmen getragenen Behälter zur Aufnahme von pulver- und/oder partikelförmigem Gut, wenigstens einer am Boden des Behälters angeordneten Auslauföffnung, einem der Auslauföffnung nachgeordneten Dosierorgan sowie einem dem Dosierorgan nachgeordneten Verteilorgan zum Verteilen des pulver- und/oder partikelförmigen Gutes auf dem Boden, wobei der Behälter eine um eine Schwenkachse auf- und zu klappbare, nicht notwendigerweise elektrisch, sondern in beliebiger Weise motorisch (einschließlich aktuatorisch) betätigte Abdeckung aufweist, welche in ihrer zugeklappten Stellung den Öffnungsquerschnitt des Behälters abdeckt und in ihrer aufgeklappten Stellung zumindest einen Teil des Öffnungsquerschnittes des Behälters freigibt, von Vorteil sein, wenn ein Mitnehmer einer (beliebigen) Antriebseinheit der Abdeckung lösbar mit wenigstens einem schwenkbaren Träger der Abdeckung und/oder mit der (beliebigen) Antriebseinheit verbunden ist, so dass die Abdeckung Lösen des Mitnehmers von der Antriebseinheit und/oder von dem schwenkbaren Träger der Abdeckung manuell auf- und zu klappbar ist.In the event of a failure of the drive of the cover or in the event that a power source of the drive is exhausted or unavailable (the distributor has been decoupled and shut down, for example, by the tractor carrying the power source), then the possibility of non-motorized operation of the cover to offer, can be provided according to an advantageous development that the driver of the electric motor drive unit is detachably connected to the at least one pivotable carrier of the cover and / or with the electric motor drive unit, so that the cover after release of the driver of the drive unit and / or from the pivotable carrier the cover is manually openable and foldable. In this way, the cover can also be actuated purely manually by the driver is released from the drive unit and / or from the pivotable carrier of the cover, the releasable connection between the driver and the drive unit or between the driver and the cover basically in can be configured in any manner known as such, such as in the form of screws, bolts, clamps, detents or the like. For the sake of completeness, it should be explicitly pointed out that such a detachable connection between at least one pivotable carrier of the cover and the driver of the drive unit or between the driver and the drive unit itself can also be favorable for drives of the cover other than the electromotive drive unit according to the invention, such as eg for conventional electric, hydraulic, pneumatic cylinders or the like. Consequently, in the case of a distribution machine, in particular in the form of a spreading and / or sowing machine, with at least one container carried by a support frame for receiving powdery and / or particulate material, at least one outlet opening arranged at the bottom of the container can be arranged downstream of the outlet opening Dosing and a downstream of the metering distributor for distributing the powdered and / or particulate material on the floor, the container having a pivotable about a pivot axis and folding, not necessarily electrically, but in any way motor (including actuator) operated cover which in its closed position covers the opening cross-section of the container and in its unfolded position releases at least part of the opening cross-section of the container, be advantageous if a driver of a (random) drive unit the cover is detachably connected to at least one pivotable carrier of the cover and / or with the (arbitrary) drive unit, so that the cover release of the driver of the drive unit and / or of the pivotable carrier of the cover is manually openable and foldable.
In vorteilhafter Weiterbildung der erfindungsgemäßen Verteilmaschine kann zur Ansteuerung der elektromotorischen Antriebseinheit ferner vorgesehen sein, dass letzterer eine Steuereinrichtung zugeordnet ist, welche insbesondere wenigstens eine Steuerplatine umfasst. Die Steuerplatine kann dabei in dem Gehäuse der elektromotorischen Antriebseinheit oder in einem separaten Bedienmodul bzw. Bedienterminal untergebracht sein, wie es weiter unten noch näher erläutert ist. Die Steuereinrichtung gibt insbesondere die Möglichkeit, den Öffnungs- und Schließvorgang der Abdeckung mit einem geeigneten Geschwindigkeitsprofil zu beaufschlagen, sowie sicherzustellen, dass die Abdeckung stets in die ihr zugedachte Schließposition, in welcher sie für die erforderliche Dichtigkeit der Abdeckung sorgt, überführt wird. Darüber hinaus kann es beispielsweise zu Reinigungs- oder Wartungszwecken sinnvoll sein, wenn die Abdeckung mittels der Steuereinrichtung in einer mehr oder minder beliebigen Teilöffnungsstellung angehalten werden kann.In an advantageous embodiment of the distribution machine according to the invention may be further provided for controlling the electric motor drive unit, that the latter is associated with a control device, which in particular comprises at least one control board. The control board can be accommodated in the housing of the electromotive drive unit or in a separate operating module or operating terminal, as explained in more detail below. In particular, the control device makes it possible to apply a suitable speed profile to the opening and closing operation of the cover, and to ensure that the cover is always transferred to the closing position intended for it, in which it ensures the required tightness of the cover. In addition, it may be useful for cleaning or maintenance purposes, for example, if the cover can be stopped by the control device in a more or less arbitrary partial open position.
Der Steuereinrichtung ist zweckmäßigerweise eine mit dieser in Wirkverbindung stehende Eingabeeinrichtung zugeordnet, wobei die Steuereinrichtung auf einen in die Eingabeeinrichtung eingebbaren Öffnungs- bzw. Schließbefehl die Abdeckung auf- bzw. zuklappt, indem sie den Elektromotor gesteuert in die Öffnungs- bzw. in die Schließrichtung in Rotation versetzt. Die Eingabeeinrichtung kann hierbei z.B. unmittelbar an dem Gehäuse der elektromotorischen Antriebseinheit angeordnet oder über Kabel mit dieser wirkverbunden sein, wobei sie vorzugsweise drahtlos mit der Steuereinrichtung und/oder mit der elektromotorischen Antriebseinheit in Verbindung steht, um für eine einfache Fernbedienbarkeit der elektromotorischen Antriebseinheit zu sorgen. Die Eingabeeinrichtung kann z.B. vorzugsweise
- im Führerhaus einer Zugmaschine, wie eines Traktors oder oder eines Straßenfahrzeugs, untergebracht oder
- von einem tragbaren Bedienterminal gebildet sein.
- in the cab of a tractor, such as a tractor or or a road vehicle, housed or
- be formed by a portable operator terminal.
Wie bereits angedeutet, macht es die Steuereinrichtung möglich, die Bewegungsgeschwindigkeit der Vorgänge des Auf- und Zuklappens in geeigneter Weise zu steuern bzw. zu regeln, wobei vorzugsweise vorgesehen sein kann, dass die Steuereinrichtung den Elektromotor der elektromotorischen Antriebseinheit
- während des Öffnungsvorgangs und/oder
- während des Schließvorgangs
- during the opening process and / or
- during the closing process
In diesem Zusammenhang kann es auch von Vorteil sein, wenn die Steuereinrichtung den Elektromotor der elektromotorischen Antriebseinheit in der Anfangsphase und/oder in der Endphase eines Öffnungs- bzw. Schließvorgangs, insbesondere kontinuierlich, auf die höhere Drehgeschwindigkeit beschleunigt bzw. verlangsamt. Die Anfangsphase und/oder die Endphase kann bzw. können dabei durch einen anfänglichen bzw. abschließenden Schwenkwinkel der Abdeckung zwischen etwa 5° und etwa 35°, insbesondere zwischen etwa 10° und etwa 30°, vorzugsweise zwischen etwa 15° und etwa 25°, definiert sein, d.h. bis zum Erreichen eines vorgenannten anfänglichen Schwenkwinkels und/oder ab Erreichen einer Klappstellung der Abdeckung, welche bis zum gänzlichen Erreichen ihrer Öffnungs- bzw. Schließstellung noch ein weiteres Klappen um einen vorgenannten Schwenkwinkel erfordert, wird die Drehgeschwindigkeit des Elektromotors abgesenkt bzw. kontinuierlich beschleunigt/verlangsamt.In this context, it may also be advantageous if the control device accelerates or slows down the electric motor of the electromotive drive unit in the initial phase and / or in the final phase of an opening or closing operation, in particular continuously, to the higher rotational speed. The initial phase and / or the final phase can be characterized by an initial or final pivot angle of the cover between about 5 ° and about 35 °, in particular between about 10 ° and about 30 °, preferably between about 15 ° and about 25 °, be defined, ie until reaching an aforementioned initial swivel angle and / or from reaching a folding position of the cover, which still requires a further flap by an aforementioned pivot angle to fully reach its open or closed position, the rotational speed of the electric motor is lowered or continuously accelerated / slowed down ,
Die der erfindungsgemäßen elektromotorischen Antriebseinheit zugeordnete Steuereinrichtung gibt ferner die Möglichkeit einer Überlastsicherung, um im Falle einer Blockierung des Klappmechanismus' Beschädigungen desselben zu vermeiden und insbesondere auch einen absolut sicheren Schutz vor einem Einklemmen von Gliedmaßen in dem Klappmechanismus zu gewährleisten. Eine solche Überlastsicherung kann beispielsweise dadurch gebildet sein, dass die Steuereinrichtung die zum Antrieb der elektromotorischen Antriebseinheit zur Verfügung stehende Stromstärke zumindest während des Aushebens und Absenkens der Abdeckung auf einen Maximalwert begrenzt, welcher mit einer, insbesondere voreinstellbaren, Öffnungs- bzw. Schließkraft korrespondiert. Als maximale Öffnungs- bzw. Schließkraft, bei welcher die Überlastsicherung auslöst und den Elektromotor der elektromotorischen Antriebseinheit stillsetzt, haben sich zu den vorgenannten Zwecken beispielweise maximal etwa 200 N, insbesondere maximal etwa 150 N, vorzugsweise maximal etwa 100 N, bewährt.The control device according to the invention associated with the control unit also gives the possibility of overload protection, in the case of blocking the folding mechanism 'damage the same to avoid and in particular to ensure a completely safe protection against pinching of limbs in the folding mechanism. Such an overload protection can be formed, for example, in that the control device limits the current intensity available for driving the electromotive drive unit to a maximum value at least during the raising and lowering of the cover, which current value is limited to one, in particular presettable, Opening or closing force corresponds. The maximum opening or closing force at which the overload protection triggers and stops the electric motor of the electric motor drive unit, for example, a maximum of about 200 N, in particular at most about 150 N, preferably at most about 100 N, have proven for the aforementioned purposes.
In weiterhin vorteilhafter Ausgestaltung kann die Steuereinrichtung mit einer Positionserfassungseinrichtung der elektromotorischen Antriebseinheit wirkverbunden sein, um die Ist-Stellung der mit der Abtriebswelle der elektromotorischen Antriebseinheit verbundenen Abdeckung bzw. deren Klappmechanismus' zu erfassen und die Soll-Stellung gegebenenfalls nachzuregeln. Als Positionserfassungseinrichtung kommen praktisch beliebige bekannte Sensoren in Betracht, welche insbesondere die Winkelposition von Wellen zu erfassen vermögen. So kann die Positionserfassungseinrichtung z.B. wenigstens einen Winkelsensor umfassen, welcher die Winkelstellung wenigstens einer Welle der motorischen Antriebseinheit zu erfassen vermag. Alternativ oder zusätzlich kann wenigstens einen Drehzahlsensor vorgesehen sein, welcher die Anzahl an Umdrehungen wenigstens einer Welle der motorischen Antriebseinheit zu erfassen vermag.In a further advantageous embodiment, the control device can be operatively connected to a position detection device of the electric motor drive unit to detect the actual position of the cover connected to the output shaft of the electric motor drive unit or its folding mechanism 'and readjust the desired position if necessary. As a position detection device are virtually any known sensors into consideration, which are able to detect in particular the angular position of waves. Thus, the position detecting means may e.g. comprise at least one angle sensor which is capable of detecting the angular position of at least one shaft of the motor drive unit. Alternatively or additionally, at least one rotational speed sensor may be provided which is capable of detecting the number of revolutions of at least one shaft of the motor drive unit.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels unter Bezugnahme auf die Zeichnungen. Dabei zeigen:
- Fig. 1
- eine schematische perspektivische Ansicht des mit einer klappbaren Abdeckung versehenen Oberteil eines Behälters einer im Übrigen nicht dargestellten Verteilmaschine;
- Fig. 2
- eine schematische perspektivische Detailansicht einer zur Betätigung der klappbaren Abdeckung gemäß
Fig. 1 dienenden elektromotorischen Antriebseinheit einschließlich eines mit dieser verbundenen schwenkbaren Trägers der Abdeckung; - Fig. 3
- eine schematische perspektivische Ansicht der elektromotorischen Antriebseinheit gemäß
Fig. 1 und 2 einschließlich eines Befestigungsflansches, mittels welchem sie an der Oberseite des Behälters montiert ist; - Fig. 4
- eine schematische perspektivische Explosionsdarstellung der elektromotorischen Antriebseinheit gemäß
Fig. 1 ;bis 3 - Fig. 5
- eine schematische perspektivische Detailansicht der Explosionsdarstellung gemäß
Fig. 4 ; - Fig. 6
- eine schematische Schnittansicht durch die elektromotorische Antriebseinheit entlang der Schnittebene VI-VI der
Fig. 3 ; - Fig. 7
- eine schematische Schnittansicht durch die elektromotorische Antriebseinheit entlang der Schnittebene VII-VII der
Fig. 3 ; - Fig. 8
- eine schematische perspektivische Detailansicht im Bereich der Verbindung des Mitnehmers der elektromotorischen Antriebseinheit mit dem schwenkbaren Träger der Abdeckung; und
- Fig. 9
- eine schematische Seitenansicht des Details gemäß
Fig. 8 .
- Fig. 1
- a schematic perspective view of the provided with a hinged cover upper part of a container of a distributor otherwise not shown;
- Fig. 2
- a schematic perspective detail view of a for actuating the hinged cover according to
Fig. 1 electric motor drive unit including a hinged support of the cover connected thereto; - Fig. 3
- a schematic perspective view of the electric motor drive unit according to
Fig. 1 and 2 including a mounting flange by means of which it is mounted on the top of the container; - Fig. 4
- a schematic perspective exploded view of the electric motor drive unit according to
Fig. 1 to 3 ; - Fig. 5
- a schematic perspective detail view of the exploded view according to
Fig. 4 ; - Fig. 6
- a schematic sectional view through the electric motor drive unit along the sectional plane VI-VI of
Fig. 3 ; - Fig. 7
- a schematic sectional view through the electric motor drive unit along the sectional plane VII-VII of
Fig. 3 ; - Fig. 8
- a schematic perspective detail view in the region of the connection of the driver of the electric motor drive unit with the pivotable carrier of the cover; and
- Fig. 9
- a schematic side view of the details according to
Fig. 8 ,
In
Die Abdeckung 3 umfasst ein Traggestänge 3a, 3b, 3c, 3d, 5, welches z.B. einerseits einen um die Achse A schwenkbaren, etwa U-förmigen Bügelträger 3a besitzt, welcher sich in der in
Wie des Weiteren der
Mit Ausnahme des freien Endes der Abtriebswelle 8, auf welchem der Mitnehmer 9 sitzt, sind sämtliche Komponenten der elektromotorischen Antriebseinheit 6 in einem staub- und flüssigkeitsdichten, allseitig geschlossenen Gehäuse 11 untergebracht und/oder sind die Gehäuse einzelner Komponenten der elektromotorischen Antriebseinheit 6 staub- und flüssigkeitsdicht an dem Gehäuse 11 festgelegt. So umfasst die elektromotorische Antriebseinheit 6 beim vorliegenden Ausführungsbeispiel einen Elektromotor 12 mit einem Gehäuse 13, welches derart an dem Gehäuse 15 eines Getriebes 14 - hier: in Form eines Planetengetriebes - festgelegt ist, dass die Abtriebswelle 12a des Elektromotors 12 in das Getriebegehäuse 15 hineinragt und somit die Antriebswelle des Getriebes 14 bildet. Das Gehäuse 15 des in Form eines Planetengetriebes ausgebildeten Getriebes 14 ist an einer Befestigungsplatte 16 befestigt, wie beispielsweise verschraubt, wobei die Befestigungsplatte 16 wiederum derart an dem Gehäuse 11 befestigt ist, dass sich die Abtriebswelle 14a (vgl.
Die Stromversorgung der elektromotorischen Antriebseinheit 6 kann insbesondere mittels einer (nicht dargestellten) elektrischen Schnittstelle, wie eines Anschlusses, erfolgen, welche(r) an die elektrische Stromversorgung einer (gleichfalls nicht dargestellten) Zugmaschine, wie eines Traktors oder eines Straßenfahrzeugs, anschließbar ist. Die elektrische Antriebseinheit 6 umfasst überdies eine Steuereinrichtung mit einer Steuerplatine (ebenfalls nicht zeichnerisch dargestellt), welche entweder in dem Gehäuse 11 oder auch in einem separaten Bedienterminal mit einer Eingabeeinrichtung untergebracht sein kann, um die Abdeckung 3 auf einen Eingabebefehl hin automatisch und insbesondere fernbedienbar öffnen und schließen zu können. Die Steuereinrichtung gibt ferner insbesondere die weiter oben genannten Möglichkeiten einer Ansteuerung des Elektromotors 12 der elektromotorischen Antriebseinheit 6 mit unterschiedlichen Drehgeschwindigkeiten während des Öffnungs- und/oder Schließvorgangs sowie die Implementierung einer Überlastsicherung, welche die elektromotorische Antriebseinheit 6 z.B. bei einer auftretenden Öffnungs- und/oder Schließkraft, welche über ca. 100 N hinausgeht, stillsetzt und auf diese Weise ein Einklemmen von Gliedmaßen oder auch eine Beschädigung der Abdeckung 3 im Falle einer mechanischen Blockierung verhindert. Schließlich kann die Steuereinrichtung mit einem oder mehreren Sensoren (nicht gezeigt) einer Positionserfassungseinrichtung kommunizieren, um die Ist-Stellung der Abdeckung 3 zu erfassen und deren Soll-Stellungen, wie insbesondere die vorgesehene Schließstellung (
Wie insbesondere den
Claims (15)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201320009703 DE202013009703U1 (en) | 2013-11-04 | 2013-11-04 | Distributor with a container and its associated, pivoting cover |
Publications (2)
Publication Number | Publication Date |
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EP2868182A1 true EP2868182A1 (en) | 2015-05-06 |
EP2868182B1 EP2868182B1 (en) | 2018-05-09 |
Family
ID=51862071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP14003621.1A Active EP2868182B1 (en) | 2013-11-04 | 2014-10-24 | Spreader machine with a container and a pivoting cover associated to this container |
Country Status (2)
Country | Link |
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EP (1) | EP2868182B1 (en) |
DE (1) | DE202013009703U1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017202422A1 (en) * | 2016-05-24 | 2017-11-30 | Lemken Gmbh & Co Kg | Reservoir having a cover for an agricultural distributing machine |
EP3357326A1 (en) | 2017-02-01 | 2018-08-08 | Kverneland Group Nieuw-Vennep BV | A powered sheet cover apparatus for a load space of an agricultural machine and an agricultural machine |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015105364A1 (en) * | 2015-04-09 | 2016-10-13 | Amazonen-Werke H. Dreyer Gmbh & Co. Kg | Tarpaulin arrangement for a storage container |
DE102016002827A1 (en) | 2016-03-09 | 2017-09-14 | Rauch Landmaschinenfabrik Gmbh | distributing |
DE202018004446U1 (en) | 2018-09-26 | 2019-09-27 | Rauch Landmaschinenfabrik Gmbh | Distributor with a container with a hinged cover |
US11460487B2 (en) | 2019-08-30 | 2022-10-04 | Cnh Industrial Canada, Ltd. | Operational control for agricultural agitator |
WO2023159284A1 (en) * | 2022-02-24 | 2023-08-31 | Agromac Indústria E Comércio De Equipamentos Agrícolas Ltda Epp | Combined actuating and sensing mechanism for applying, measuring and controlling fertilizers, seeds and/or amendments in overflow-type helical metering dispensers |
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DE4434963A1 (en) | 1993-10-22 | 1995-04-27 | Rauch Landmaschfab Gmbh | Seed drill |
DE19747029A1 (en) | 1997-10-24 | 1999-04-29 | Rauch Landmaschfab Gmbh | Pneumatic drill plough having closed seed container |
DE19949712A1 (en) | 1999-10-15 | 2001-04-19 | Amazonen Werke Dreyer H | Lid for hopper of manure spreader or seed drill is fitted with electric motor which raises and lowers it, sensor detecting position of hopper and transmitting signal so that lid is raised when hopper is lowered and closed when it is raised |
GB2410473A (en) * | 2004-01-30 | 2005-08-03 | Wilcox Commercial Vehicles Ltd | A cover sheet for a load compartment |
EP1645177A1 (en) * | 2004-10-06 | 2006-04-12 | Amazonen-Werke H. Dreyer GmbH & Co. KG | Foldable lid for the hopper of an agricultural spreader |
EP2014147A1 (en) * | 2007-07-12 | 2009-01-14 | Kuhn-Huard S.A. | Distribution device with an improved storage tank |
DE102007053550A1 (en) | 2007-11-07 | 2009-05-14 | Rauch Landmaschinenfabrik Gmbh | Zweischeibenstreuer |
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DE102005057651B4 (en) * | 2005-12-01 | 2008-02-14 | Magna Car Top Systems Gmbh | Vehicle with cover assembly |
-
2013
- 2013-11-04 DE DE201320009703 patent/DE202013009703U1/en not_active Expired - Lifetime
-
2014
- 2014-10-24 EP EP14003621.1A patent/EP2868182B1/en active Active
Patent Citations (8)
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DE4434963A1 (en) | 1993-10-22 | 1995-04-27 | Rauch Landmaschfab Gmbh | Seed drill |
DE19747029A1 (en) | 1997-10-24 | 1999-04-29 | Rauch Landmaschfab Gmbh | Pneumatic drill plough having closed seed container |
DE19949712A1 (en) | 1999-10-15 | 2001-04-19 | Amazonen Werke Dreyer H | Lid for hopper of manure spreader or seed drill is fitted with electric motor which raises and lowers it, sensor detecting position of hopper and transmitting signal so that lid is raised when hopper is lowered and closed when it is raised |
GB2410473A (en) * | 2004-01-30 | 2005-08-03 | Wilcox Commercial Vehicles Ltd | A cover sheet for a load compartment |
EP1645177A1 (en) * | 2004-10-06 | 2006-04-12 | Amazonen-Werke H. Dreyer GmbH & Co. KG | Foldable lid for the hopper of an agricultural spreader |
DE102004048622A1 (en) | 2004-10-06 | 2006-04-13 | Amazonen-Werke H. Dreyer Gmbh & Co. Kg | Hinged roof for storage containers of agricultural distribution machines |
EP2014147A1 (en) * | 2007-07-12 | 2009-01-14 | Kuhn-Huard S.A. | Distribution device with an improved storage tank |
DE102007053550A1 (en) | 2007-11-07 | 2009-05-14 | Rauch Landmaschinenfabrik Gmbh | Zweischeibenstreuer |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017202422A1 (en) * | 2016-05-24 | 2017-11-30 | Lemken Gmbh & Co Kg | Reservoir having a cover for an agricultural distributing machine |
EP3357326A1 (en) | 2017-02-01 | 2018-08-08 | Kverneland Group Nieuw-Vennep BV | A powered sheet cover apparatus for a load space of an agricultural machine and an agricultural machine |
Also Published As
Publication number | Publication date |
---|---|
EP2868182B1 (en) | 2018-05-09 |
DE202013009703U1 (en) | 2014-11-05 |
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